using QVCopier.Models;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using QVCopier.Utility;

namespace QVCopier
{
    public partial class QvcMainForm : Form
    {
        private readonly List<LogEntry> _logs = new();
        private readonly List<WorkItem> _items = new();

        public QvcMainForm()
        {
            InitializeComponent();
        }

        private void QvcMainForm_Load(object sender, EventArgs e)
        {
            MainListView.Items.Clear();
            LogListView.Items.Clear();

            InitLogger();
        }

        private void QvcMainForm_Shown(object sender, EventArgs e)
        {
        }

        private void DestFolderTextBox_DragEnter(object sender, DragEventArgs e)
        {
            string[] data;
            e.Effect = e.Data.GetDataPresent(DataFormats.FileDrop)
                       && (data = (string[])e.Data.GetData(DataFormats.FileDrop)).Length == 1
                       && Directory.Exists(data[0])
                ? DragDropEffects.Link
                : DragDropEffects.None;
        }

        private void DestFolderTextBox_DragDrop(object sender, DragEventArgs e)
        {
            DestFolderTextBox.Text = ((string[])e.Data.GetData(DataFormats.FileDrop))[0];
        }

        private void ChooseDestButton_Click(object sender, EventArgs e)
        {
            var cm = new ContextMenuStrip();
            var msgItem = cm.Items.Add("Looking up...");
            msgItem.Enabled = false;
            cm.Items.Add("-").Enabled = false; 

            Task.Run(() =>
            {
                var paths = ExplorerAccessor.GetOpenedWindowPath();
                if (paths.Length == 0)
                {
                    cm.Invoke(new Action(() => msgItem.Text = "No explorer window found"));
                }
                else
                {
                    cm.Invoke(new Action(() => msgItem.Text = $"{paths.Length} found"));

                    foreach (var path in paths)
                    {
                        cm.Invoke(new Action(() =>
                        {
                            var item = new ToolStripMenuItem(path);
                            item.Click += delegate { DestFolderTextBox.Text = path; };
                            cm.Items.Add(item);
                        }));

                    }
                }
            });
            cm.Show(ChooseDestButton, new Point(0, ChooseDestButton.Height));
        }
    }
}